Valve



FIG. 1 is a front, bottom, and right-hand side perspective view of a valve showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right-hand side view thereof; and,

FIG. 7 is a left-hand side view thereof.

The broken lines are included for the purpose of illustrating portions of the valve that form no part of the claimed design. 

CLAIM The ornamental design for a valve, as shown and described. 